dudko.dev - dns.ninja

`dudko.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:be72^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:a8c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.140^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.114^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`courtney.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2682^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c282^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`courtney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2282^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`courtney.ns.cloudflare.com`
		A	108.162.194.130^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	162.159.38.130^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	172.64.34.130^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
NS	`reese.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reese.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c375^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`reese.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2375^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`reese.ns.cloudflare.com`
		A	108.162.195.117^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reese.ns.cloudflare.com`
		A	162.159.44.117^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reese.ns.cloudflare.com`
		A	172.64.35.117^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`reese.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁵⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁷⁶⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`facebook-domain-verification=zvjdawqtlltnxi8tne52ugfsmm3pku`
TXT	`firebase=dudko-dev`
TXT	`google-site-verification=RmuhcMd2QHxCiW8492V_CsnbfNVsFWZDniAbucaBMs8`
TXT	`v=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net include:_spf.fi...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.140, 172.67.190.114
		IPv6 hints	2606:4700:3030::ac43:be72, 2606:4700:3035::6815:a8c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=70, name=cloudflare-ech.com
SOA	`courtney.ns.cloudflare.com`dns@cloudflare.com serial=2407191990

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Subdomains

ai.dudko.dev

Same first word

dudko.net

dudko.ru

dudko.dev

dudko.de

Similar names

doduk.com

dudok.nl

kodud.com

odkud.com

dkudo.com

uddok.blogspot.com

koddu.com

kdoud.top

doduk.ca

dokdu.com

dudok.sk

kuddo.net

dudok.de

dudok.biz

dudok.com

dukdo.com

dudok.hu

DNS History

11 records (9 active, 2 former)

●NScourtney.ns.cloudflare.com2026-02-16 → 2026-06-28 · 2 obs

● 2026-02-16 02:53:40
● 2026-06-28 01:54:58

●NSreese.ns.cloudflare.com2026-02-16 → 2026-06-28 · 2 obs

● 2026-02-16 02:53:40
● 2026-06-28 01:54:58

●MXroute1.mx.cloudflare.net2026-02-16 → 2026-06-28 · 2 obs

● 2026-02-16 02:53:40
● 2026-06-28 01:54:58

●MXroute2.mx.cloudflare.net2026-02-16 → 2026-06-28 · 2 obs

● 2026-02-16 02:53:40
● 2026-06-28 01:54:58

●MXroute3.mx.cloudflare.net2026-02-16 → 2026-06-28 · 2 obs

● 2026-02-16 02:53:40
● 2026-06-28 01:54:58

●A104.21.10.1402026-02-16 → 2026-06-28 · 2 obs

● 2026-02-16 02:53:40
● 2026-06-28 01:54:58

●A172.67.190.1142026-02-16 → 2026-06-28 · 2 obs

● 2026-02-16 02:53:40
● 2026-06-28 01:54:58

●A2606:4700:3030::ac43:be722026-06-28 → 2026-06-28 · 2 obs

○ 2026-06-12 16:25:24
● 2026-06-28 01:54:58

○A2606:4700:3032::6815:a8c2026-02-16 → 2026-06-12 · 3 obs

● 2026-02-16 02:53:40
● 2026-06-12 16:25:24
○ 2026-06-28 01:54:58

○A2606:4700:3032::ac43:be722026-02-16 → 2026-06-12 · 3 obs

● 2026-02-16 02:53:40
● 2026-06-12 16:25:24
○ 2026-06-28 01:54:58

●A2606:4700:3035::6815:a8c2026-06-28 → 2026-06-28 · 2 obs

○ 2026-06-12 16:25:24
● 2026-06-28 01:54:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
dudko.dev	reese.ns.cloudflare.com, courtney.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.130

NS records: reese.ns.cloudflare.com, courtney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dudko.dev (unsigned zone)

⏱️ Timing

Total: 715ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.10.140, 172.67.190.114`
AAAA	2	`2606:4700:3030::ac43:be72, 2606:4700:3035::6815:a8c`
NS	2	`courtney.ns.cloudflare.com, reese.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 29), route3.mx.cloudflare.net (pri: 50)...`
TXT	4	`facebook-domain-verification=zvjdawqtllt, firebase=dudko-dev...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`courtney.ns.cloudflare.com dns.cloudflar`

Analysis

Hierarchy

ai.dudko.dev is a subdomain of dudko.dev.

IP Addresses

dudko.dev directs to four IP numbers, which are 104.21.10.140, 172.67.190.114, 2606:4700:3030::ac43:be72 and 2606:4700:3035::6815:a8c.

Among the host names that share IP numbers with dudko.dev are betmans.com, fluentassertions.com, turvali.com and two others.

Name Servers

dudko.dev is delegated to two name servers: courtney.ns.cloudflare.com and reese.ns.cloudflare.com.

dudko.dev has the same name server delegation as a number of other domains, such as ssgc.com.au, ademe.org, miniaccountant.app and two more.

The name servers of dudko.dev overlap at least partially with those of other domains — among them info-es-inicios.com, digi-connections.com, luwentiyu.com and two more.

These name servers commonly appear in combination with the name servers violet.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

courtney.ns.cloudflare.com resolves to 108.162.194.130, 162.159.38.130, 172.64.34.130 and 3 other IP addresses.

reese.ns.cloudflare.com resolves to 108.162.195.117, 162.159.44.117, 172.64.35.117 and 3 other IP addresses.

Mail Servers

Mail for dudko.dev is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

dudko.dev shares at least some of its mail servers with other domains — for example etedal.net, clevereconomy.com, marios.in and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.